How many boys are studying Science?
DMRC Mechanical Engineering Paper-1 2016
The questions are based on the following information.Out of the total 390 students studying in a college of Arts and Science, boys and girls are in the ratio of 7:6 respectively and the number of students studying Arts and Science are in the ratio of 3:7 respectively. The boys and girls studying Arts are in the ratio of 4:5 respectively.
What is the ratio between the girls studying Arts and Science respectively?
For the following questions answer them individually
“SAWEN” is a regional international government body:
World’s first white tiger safari was recently opened in the state of:
India’s first indigenous rotavirus vaccine named rotavac:
Who was recently conferred with Skoch Lifetime Achievement award?
2015-2016 Irani cup cricket title was won by?
In the following question is followed by two statements I and II. Select the choice as follows
If I alone is sufficient to answer the question
If II alone is sufficient to answer the question
If I and II are both required to answer the question
If both I and II are insufficient to answer the question and more data is required
Can Mohan be considered a successful mountaineer:
I. Mohan has taken part in seven mountaineering expeditions in the last ten years
II. The norm for a mountaineer to be considered successful is being a member of expeditions 4 to 5 times in fifteen years
The following are the statistics of some matches of a cricket team bowlers and the wickets taken. A, B, C & D are the fast bowlers of the team
If the inter-se wicket taking ratio between bowler groups remains the same and the run out are limited to 2 only, how many more wickets would spinners take, based on the original presumption that spinners took 15 wickets earlier:
Which actor has been selected for the prestigious 47th Dadasaheb Phalke Award for the year 2015?
Union Government recently gave nod for issuance of UDAY bonds to four states of India initially. One of the states is not included in this?
Which more suitable for crops like cashew nut?
Two equal glasses filled with alchohol & water in the proportion 2:1 and 3:2 are emptied into a third glass. The proportion of alchohol and water in the third glass will be?
Study the information given in this question to answer them
Number of the voters registered and voted from different constituency.
Which constituency had the lowest percentage of polling:
The least number of complete years, in which a sum of money put out at 20% compound interest compounded annually will be more than double, is:
Answer the questions on the basis of information given below?
A tournament is organized among five teams Ahmadabad, Bombay, Calcutta, Delhi and England. This is a round robin league tournament where each team has to play every other team exactly once. For any team, three points are awarded for a win, one point for a draw and no The following table is incomplete even after the end of the tournament.
W = Number of matches won
L = Number of matches lost
D = Number of matches drawn
P = Total Points
Which team/s did Ahmadabad beat?
Which team/s drew the match with Bombay?
Which team had the highest number of draw?
Which of the following team/s did team England beat?
Team England drew match with?
For the following questions answer them individually
S is the mid-point of the side QR of the triangle PQR and T is the mid point of QS. If O is the mid point of PT, then area of Δ QOT is equal to:
The positive square root of $$(\sqrt{48}-\sqrt{45})$$ is
Which of the following was used as a chemical weapon in the First World War?
What is the full form of the term ‘NPA’ as used in banking environment?
The expected energy of electrons at absolute zero is called:
One Kilo Byte represents:
Creation of MUDRA bank was proposed in the recent budget proposal of the Government of India. MUDRA stands for:
The position of how many letters in the word BRAKES remains unchanged when they are arranged in alphabetical order?
In a row of 16 boys, when Ashish was shifted two places towards the left, he became 7th from left end. What was his earlier position from the right end of the row?
A metallic sphere is melted and is cast into a solid cylinder. If the radius of the base of the cylinder is equal to the radius of the sphere, then the ratio of the surface area of the sphere to the total surface area of the cylinder is?
The total cost price of two items is Rs. 10,200/- and their selling prices are equal. If one of the two items is sold at a loss of 12% and another is sold at a loss of 18%, then the cost price of the item which is sold at a loss of 18% is:
A petrol tank at a filling station has a capacity of 400 litres. The attendant sells 40 litres of petrol from the tank to one customer and then replenishes it with kerosene oil. This process is repeated with six customers. What quantity of pure petrol will the seventh customer get when he purchases 40 litres of petrol?
A and B are two alloys of gold and copper prepared by mixing metals in the ratios 5:3 and 5:11 respectively. Equal quantities of these alloys are melted to form a thirdalloy C. The ratio of gold and copper in the alloy C is:
The formula for the number of diagonals in a polygon of n sides is d=$$\frac{1}{2}[n(n-3)]$$. If the number of diagonals in a polygon is twice as many as the number of sides,what is the number of sides:
Peeyush walked 8 km. west and turned right and walked 3 kms. Then again he turned right and walked 12 kms. How far is he from the starting point?
Which one of the following statements correctly describes the Fourth Schedule of the constitution of India?
In the following question two statements are followed by two possible inferences. Point out which of the following inferences. Point out which of the following answer choice applies. Assume statements to be correct even if they very from facts.
A:Only inference I follows
B:Only inference II follows
C:Both inferences I and II follow
D:Neither inferences I nor II follow
All fish are tortoise, no tortoise is a crocodile:
I.No crocodile is a fish
II.No fish is a crocodile
When three coins are tossed together, the probability that all coins have the same face is:
A man walked diagonally across a square plot. What was the percent saved by not walking along edges?
In the following question a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to complete the series starting with the number given following the sequence of the given series and answer the question given below the series.
6 10 7 12 8 14
4 (a) (b) (c) (d) (e)
If 1 is coded as R, 2 as T, 3 as Z, 4 as B, 5 as O, 6 as L, 7 as C, 8 as J, 9 as V, which of the following is the coded form of 28147962?
Five girls are sitting on a bench to be photographed. Sejal is to the left of Rashmi to the right of Binni. Mamta is to the left of Rashmi. Ragini is between Rashmiand Mamta. Who is sitting immediately right to Ragini?
Amar can complete a work in 3 days, Bobby in 4 days and Cheenu in 5 days. If they complete the same work together and get Rs. 14,100/- as remuneration, then the share of Cheenu in rupees will be:
The work done by a woman in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days, then how many days can 12 men, 12 women and 12 boys together finish the same work working 8 hours per day?
Who among the following is well known as an exponent of flute?
Match list-I with List-II and select the correct answer using the codes given below the list:
figure
Concurrent force system is the system when:
A couple is formed when:
The total area under the stress-strain curve of a mild steel specimen tested up to failure under tension is a measure of its:
Which material has highest value of poission’s ratio?
The motion transmitted between teeth of two spur gears is generally:
The static deflection of a shaft under a flywheel is 4 mm. What is the critical speed in rad/sec if g= 10 $$m/sec^{2}$$
According to Indian Standard specifications 50H7g6 means that:
1.Actual size is 50 mm
2.Tolerance grade for hole is 7
3.Tolerance grade for shaft is 6
A wooden block rests on a horizontal force as shown in figure. The force (P) acting on it at an angle of $$25^\circ$$ with horizontal. Assume the mass of block to be 8 Kg and coefficient of friction is 0.45
The force (P) is:
The maximum distortion energy theory of failure is suitable to predict the failure of which one of the following type of materials?
Consider two rods A, B of the same material and subjected to equal axial load. The rod A is of uniform cross-section with diameter d, and the rod B taper uniformly from diameter d at one end to diameter d/2 at other end. The ratio of elongation of rod A to elongation of rod B will be:
A Hook’s joint is used to connect:
A truss is said to be perfect when it satisfies the following conditions:
Enlarging an existing circular hole with a rotating single point tool is called:
Plug gauge is used to measure:
In order to have interference fit, it is essential that the lower limit of the shaft should be:
A steel plate of thermal conductivity 50 W/mK and thickness 10 cm passes a heat flux by conduction of 25 KW/m2. If the temperature of hot surface of the plate is
100°C, then what is the temperature of cooler surface of the plate?
Gears are manufactured in mass production by:
In blanking and piercing operation, clearance between die and punch depends on:
Gate is provided in moulds to:
The electric resistance welding operates with:
An orthogonal cutting operation is being carried out under the following conditions Cutting speed (V)=2m/s, depth of cut=0.5 mm, chip thickness=0.6 mm .Then chip velocity is:
The rake angle of a cutting tool is 15°, the shear angle is 45° and the cutting velocity is 35 m/min. What is the velocity of chip along the tool face?
A 40 mm diameter rod is to be turned on a lathe at a cutting speed of 30 m/min. The required spindle speed should be approximately:
A tank containing air is stirred by a paddle wheel. The work input to the paddle wheel is 9000 KJ and heat transferred to the surroundings from the tank is 3000 KJ. The
external work done by the system is:
If the thermal efficiency of a Carnot heat engine is 40%, then Co-efficient of performance of a refrigerator working with in same temperature limits would be:
A heat engine is supplied with 280 KJ/s of heat at a constant fixed temperature of 520 K and heat rejection takes place at 260 K temperature. If the engine is
reversible, the heat rejected would be approximately equal to:
An engine operate between temperature limits of 900 K and T2, and an other engine operates between T2 and 400 K. For both engines to be equally efficient, T2 should be equal to:
Two car A and B moves at 54 Km/hr in the same direction and the car B is 300 m a head of car A. If the car A is accelerated at 6m/s2 while car B continue to move with the same velocity, calculate the time taken by car A to overtake car B:
Draft is provided in pattern so that:
Arc blow is:
A simply supported beam of span l and carrying uniform distributed load w per unit length, then maximum bending moment is given by:
In an arc welding:
The point of contraflexture in a loaded beam refers to the section where:
Which of the following fitting is a boiler mounting?
Which is not a part of patrol engine?
The moment of Inertia of an area is always least with respect to:
During metal cutting operation, it was observed that the chip thickness is 2mm and the shear angle is 30°. The corresponding length of shear plane is:
If the principle stresses on a plane stress problem are S1 =100 MPa and S2 = 40 MPa then the magnitude of shear stress (MPa) will be:
A body moves with a speed of 10 m/s in the curved path of 25 m radius of curvature. If the tangential acceleration is 3 m/$$s^2$$, then total acceleration for the body will be:
A Kaplan turbine is suitable for:
Cavitation in centrifugal pumps can be reduced by:
Polar moment of inertia of a hollow shaft having D and d as outer and inner diameters, is given by:
Two shafts whose axes are not in the same straight line and are not parallel but intersect each other. Which of the following couplings can be used for this type of shafts?
Two shafts whose axes are not in the same straight line and are not parallel but intersect each other. Which of the following couplings can be used for this type of shafts?
A bench vice is provided with which type of threads:
The ‘Crowning’ of the flat pulley is generally done:
The thickness of a gear tooth is measured:
The cycle generally used for petrol engine is:
The power transmitted by a circular shaft rotating at N rpm under action of torque T is:
A belt pulley of 200 mm diameter such that the ratio of tension in tight side and slack side is 1.2. The maximum tension in the belt not to exceed 240 kN. Speed of the pulley is 60 rpm. Find the safe power that can be transmitted by the pulley:
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This is known as:
A point 20mm below HP and 30mm behind VP, It top view will be:
Which of the following welding method uses a pool of molten metal?
A hacksaw blade cuts on the:
Sand acquires a predetermined shape under pressure and retains the same when pressure is removed. This is due to the property of sand known as:
The size of the lathe is expressed as:
The resistance per unit area, offered by a body against deformation is known as:
The heat engine that operates the most efficiently between a high-temperature reservoir and a lowtemperature reservoir is the:
The cycle generally used for gas turbines is:
Relation between number of links (I) and number of pairs (P) is:
In centre less grinding, work piece is clamped in:
Which of the following measuring device is used for measuring the rate of flow of a fluid flowing through a pipe:
In a refrigeration cycle the heat is absorbed by refrigerant at:
Effort required at the circumference of the screw jack to lift the load (W) is given by:
On a ladder resting on a smooth ground and leaning against vertical wall, the force of friction will be:
For a given steam temperature of $$850^\circ$$ C and vacuum of 0.1 kg/$$cm^2$$ absolute, the Rankine cycle efficiency will be maximum when steam pressure is:
In a two-fluid heat exchanger, the inlet and outlet temperature of the hot fluid are 65°C and 40°C respectively. For the cold fluid, these are 15°C and 42°C. The heat exchanger is a:
The conditions for the stable equilibrium of a floating body are:
Generally least count of the commonly used vernier is:
If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of the restitution between the ball and the floor is equal to:
A spherical vessel with an inside diameter of 2 m is made of material having an allowable stress in tension of 500 kg/$$cm^2$$. The thickness of a shell to withstand a
pressure of 25 kg/$$cm^2$$ should be:
Choose the correct statement:
A pump delivers water at a rate of 0.025 $$m^3$$/s against a head of 30 m. If the overall efficiency of the pump is 75%, the power required by the pump is:
Morse test is carried out to determine ..... of an engine:
